WO2011150990A1 - Dispositif doté d'un vérin positionneur pneumatique et procédé de commande d'un dispositif de ce type - Google Patents

Dispositif doté d'un vérin positionneur pneumatique et procédé de commande d'un dispositif de ce type Download PDF

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Publication number
WO2011150990A1
WO2011150990A1 PCT/EP2011/001113 EP2011001113W WO2011150990A1 WO 2011150990 A1 WO2011150990 A1 WO 2011150990A1 EP 2011001113 W EP2011001113 W EP 2011001113W WO 2011150990 A1 WO2011150990 A1 WO 2011150990A1
Authority
WO
WIPO (PCT)
Prior art keywords
pneumatic
actuating cylinder
pneumatic piston
piston
brake
Prior art date
Application number
PCT/EP2011/001113
Other languages
German (de)
English (en)
Inventor
Armin Brosch
Detlef Schmidt
Jens Willms
Original Assignee
Wabco Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wabco Gmbh filed Critical Wabco Gmbh
Priority to BR112012028036A priority Critical patent/BR112012028036A2/pt
Priority to EP11709006.8A priority patent/EP2577070A1/fr
Priority to CN2011800276410A priority patent/CN102933858A/zh
Priority to US13/639,175 priority patent/US9388831B2/en
Publication of WO2011150990A1 publication Critical patent/WO2011150990A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
    • F15B11/072—Combined pneumatic-hydraulic systems
    • F15B11/076—Combined pneumatic-hydraulic systems with pneumatic drive or displacement and speed control or stopping by hydraulic braking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/262—Locking mechanisms using friction, e.g. brake pads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7055—Linear output members having more than two chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/72—Output members, e.g. hydraulic motors or cylinders or control therefor having locking means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid control

Definitions

  • the invention relates to a device with a pneumatic actuating cylinder according to the preamble of patent claim 1.
  • the invention further relates to a method for controlling such a device according to claim 7.
  • Pneumatic actuators are used as actuators in various applications.
  • an advantageous application is to realize an automatic clutch actuation in conjunction with automated gearshift systems via a pneumatic actuating cylinder.
  • the driver can be relieved.
  • the switching operations can be completely automated. Since compressed air is available anyway in commercial vehicles, the use of a pneumatic actuating cylinder is cheaper than a hydraulic actuating cylinder.
  • the invention has for its object to provide a device with a pneumatic actuating cylinder and a method for controlling such a device in which with little effort a sensitive position adjustment of the actuating cylinder is possible even with non-linear counterforce course of an actuatable by the actuating cylinder object.
  • the invention has the advantage of allowing an easy-to-implement design extension, namely by the provision of an arbitrarily actuated brake element, an improved fine control in the positioning of the actuating cylinder even in highly non-linear courses of the opposing force.
  • the arbitrarily actuated brake element can be realized in various designs. Can be used all components that allow targeted braking or holding the position of the pneumatic piston of the actuating cylinder or a movable component.
  • the term "brake element" not only includes conventional brakes, but also all other elements which permit such braking or holding of the pneumatic piston or a component movable therewith, whereby the brake element must be able to be operated arbitrarily held any positions.
  • Another advantage of the invention is that fewer valves are required to operate the device than in prior art solutions. For example, only one pneumatic valve for actuating the actuating cylinder and one valve for actuating the brake element are required instead of four pneumatic solenoid valves.
  • the brake element has a double-acting hydraulic cylinder with a hydraulic piston.
  • the hydraulic piston is mechanically connected to the pneumatic piston or a movable by means of the pneumatic piston member.
  • the brake element also has an arbitrarily actuable valve device in a hydraulic connection line between two hydraulic pressure chambers, which are formed on mutually opposite sides of the hydraulic piston.
  • the pneumatic actuating cylinder is supplemented by a hydraulic control volume.
  • the hydraulic control volume can be made relatively small due to the incompressibility of the hydraulic medium. In this case, it is particularly not necessary to provide a complex complete hydraulic system with a pump, but only a small-scale self-contained system. As a result, the maintenance of the brake element can be kept low.
  • hydraulic control volume has the advantage that hydraulic systems provide a good control performance, in particular by the fact that the hydraulic medium is incompressible and thus allows targeted braking and holding the pneumatic piston at arbitrarily defined positions.
  • the valve device has at least one open position in which the hydraulic pressure chambers are connected, and at least one closed position in which the hydraulic pressure chambers are shut off from each other. This allows a defined holding of the pneumatic piston in arbitrarily predetermined positions.
  • the brake element on an arbitrarily operable brake with at least one brake pad which is movable upon actuation of the brake against the pneumatic piston or a movable means of the pneumatic piston component, in particular a piston rod.
  • the brake may be a hydraulically actuated brake or an electric motor-operated brake.
  • a pneumatically actuated brake is used.
  • the same pressure medium for the actuation of the brake can be used as for the actuation of the pneumatic actuating cylinder.
  • the brake can z. B. be configured as a friction brake.
  • the pneumatic actuating cylinder is designed as a single-acting clutch actuating cylinder for actuating a vehicle clutch. This allows easy operation of the pneumatic actuator with only one pneumatic valve.
  • the pneumatic actuating cylinder has a working side and a side facing away from the working side
  • the brake element is arranged on the back.
  • the brake element is actuated shortly before or upon reaching a desired position of the pneumatic piston or an actuatable by means of the pneumatic piston component.
  • This allows a reliable and secure positioning can be achieved.
  • a braking reaction immanent delayed reaction can be compensated.
  • the method can be implemented, for example, by appropriate software programming of an electronic control unit controlling the brake element.
  • a vehicle clutch can be actuated by means of the pneumatic actuating cylinder. The brake element is actuated upon reaching the disengagement position of the vehicle clutch.
  • Figure 1 shows a first embodiment of a device with a
  • Figure 2 shows a second embodiment of a device with a
  • FIG. 1 shows a pneumatic actuating cylinder 1, which has a pneumatic piston 2.
  • a piston rod 3 is connected, which protrudes in the illustration of Figure 1 right from the actuating cylinder 1 and is used to actuate an external object.
  • a vehicle clutch is actuated by means of the piston rod 3.
  • the vehicle coupling is symbolized in the representation by an arrow 4, which symbolizes the direction of action of the force F exerted by the vehicle coupling on the piston rod 3.
  • the actuating cylinder 1 has a compressed air chamber 10.
  • the compressed air chamber 10 is connected via a pneumatic valve, for. B. in the form of a trained as 3- / 2-way valve electromagnetically actuated valve 5, connected to a compressed air source 6.
  • a 3-position valve can be used, which still has a pressure-holding position in addition to the switching positions provided in the illustrated valve 5.
  • valve 5 compressed air can be fed from the compressed air source 6 in the compressed air chamber 10 or discharged from the compressed air chamber 10 into the atmosphere.
  • a corresponding force is exerted on the vehicle clutch 4 via the pneumatic piston 2 and the piston rod 3, can be actuated via the vehicle clutch in the release direction.
  • the pneumatic piston 2 On its side facing away from the piston rod 3, the pneumatic piston 2 has a rearward piston rod 7, which protrudes from the housing of the actuating cylinder 1. Also on the back 17, d. H. the piston rod 3 side 16 facing away from the actuating cylinder 1, a brake element 15 is arranged, which has a double-acting hydraulic cylinder 8.
  • the hydraulic cylinder 8 is screwed or flanged, for example, to the housing of the pneumatic actuating cylinder 1.
  • the hydraulic cylinder 8 has a hydraulic piston 9 which is connected to the rear piston rod 7. Through the connection via the rear piston rod 7 of the pneumatic piston 2 and the hydraulic piston 9 always perform the same movements.
  • the hydraulic pressure chambers 1 1, 12 are connected via hydraulic lines with a hydraulic valve 13.
  • the hydraulic valve 13 has two switching positions, namely an open position in which the hydraulic pressure chambers 1 1, 12 are connected, and a closed position in which the hydraulic pressure chambers 1 1, 1 2 are shut off from each other.
  • the hydraulic valve 13 may, for. B. be designed as electromagnetically operable 2/2-way valve. By pressing the electromagnet of the Hydraulic valve 13 can be activated either the open position or the closed position.
  • a throttle 14 is additionally arranged in the connecting line between the hydraulic valve 13 and the hydraulic pressure chamber 1 1, .
  • the flow between the hydraulic pressure chambers 1 1, 12 are throttled to a desired value.
  • FIG. 2 shows a second embodiment of a device with a pneumatic actuating cylinder, wherein with respect to the actuating cylinder 1, the pneumatic valve 5 and the compressed air source 6, the same explanations apply as for the embodiment of Figure 1.
  • the brake element according to Figure 2 has a pneumatically actuated brake.
  • the brake has a pneumatic actuating cylinder 20.
  • the pneumatic actuating cylinder 20 has a pneumatic piston 21 and a piston rod 22 which is in communication with a first brake pad 23.
  • About a pneumatic actuation of a compressed air chamber 27 of the actuating cylinder 20 can be pressed against the rear piston rod 7 via the pneumatic piston 21 and the piston rod 22 of the brake pad 23.
  • a second brake pad 24 is disposed on the opposite side of the rear piston rod 7.
  • the second brake pad 24 is supported on an abutment block 25, which is connected via a connecting plate 26 with the actuating cylinder 20.
  • the brake pads 23, 24 can act, for example in the form of a friction brake on the rear piston rod 7 and decelerate and hold them.
  • the rear piston rod 7 may also be roughened to improve the braking effect or be provided with a defined grain or grooves.
  • the compressed air chamber 27 of the actuating cylinder 20 is connected via a second pneumatic valve 28 which is electromagnetically actuated, optionally with the compressed air source 6 or with the atmosphere connectable. This can Pressure in the compressed air chamber 27 arbitrarily built or degraded and thus the brake can be operated arbitrarily.

Abstract

L'invention concerne un dispositif doté d'un vérin positionneur pneumatique (1). Le vérin positionneur pneumatique (1) comporte au moins un piston pneumatique (2) et un élément de freinage (15) pouvant être volontairement actionné et relié au piston pneumatique (2) ou à une pièce (3, 7) pouvant être déplacée au moyen du piston pneumatique (2). L'actionnement de l'élément de freinage (15) permet de freiner ou de bloquer le mouvement du piston pneumatique (2). L'invention concerne en outre un procédé de commande d'un dispositif de ce type.
PCT/EP2011/001113 2010-06-04 2011-03-07 Dispositif doté d'un vérin positionneur pneumatique et procédé de commande d'un dispositif de ce type WO2011150990A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BR112012028036A BR112012028036A2 (pt) 2010-06-04 2011-03-07 dispositivo com um cilindro atuador pneumático e método para controlar um dispositivo de dito tipo
EP11709006.8A EP2577070A1 (fr) 2010-06-04 2011-03-07 Dispositif doté d'un vérin positionneur pneumatique et procédé de commande d'un dispositif de ce type
CN2011800276410A CN102933858A (zh) 2010-06-04 2011-03-07 具有气动调整缸的装置以及用于控制这种装置的方法
US13/639,175 US9388831B2 (en) 2010-06-04 2011-03-07 Device having a pneumatic actuating cylinder and control method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010022747A DE102010022747A1 (de) 2010-06-04 2010-06-04 Einrichtung mit einem pneumatischen Stellzylinder und Verfahren zur Steuerung einer solchen Einrichtung
DE102010022747.1 2010-06-04

Publications (1)

Publication Number Publication Date
WO2011150990A1 true WO2011150990A1 (fr) 2011-12-08

Family

ID=44063501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/001113 WO2011150990A1 (fr) 2010-06-04 2011-03-07 Dispositif doté d'un vérin positionneur pneumatique et procédé de commande d'un dispositif de ce type

Country Status (6)

Country Link
US (1) US9388831B2 (fr)
EP (1) EP2577070A1 (fr)
CN (1) CN102933858A (fr)
BR (1) BR112012028036A2 (fr)
DE (1) DE102010022747A1 (fr)
WO (1) WO2011150990A1 (fr)

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DE102012216156B4 (de) * 2012-09-12 2023-11-16 Franz Xaver Meiller Fahrzeug- Und Maschinenfabrik - Gmbh & Co Kg Verriegelungsvorrichtung für Lastentransportfahrzeuge
DE102014018646A1 (de) * 2014-12-13 2016-06-16 Wabco Gmbh Linearantrieb, insbesondere zur Bewegung eines Schalthebels in einem Getriebe
DE102015106634A1 (de) * 2015-04-29 2016-11-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Aktuator
CN105298964A (zh) * 2015-11-10 2016-02-03 中国工程物理研究院总体工程研究所 一种液压振动台的稳定装置
DE102016000707A1 (de) 2016-01-26 2017-07-27 Fte Automotive Gmbh Vorrichtung zur Betätigung einer Kupplung
DE102016000708A1 (de) 2016-01-26 2017-07-27 Fte Automotive Gmbh Aktuator, insbesondere Nehmerzylinder, für eine Vorrichtung zur Kupplungsbetätigung in einem Kraftfahrzeug
DE102016004366A1 (de) * 2016-04-08 2017-10-12 Wabco Gmbh Pneumatische Steuerungsvorrichtung eines automatisierten Schaltgetriebes und Verfahren zu deren Steuerung
CN110439727B (zh) * 2019-08-02 2022-11-08 庄茜茜 一种液压储能系统
CN113404741A (zh) * 2021-06-28 2021-09-17 徐州重型机械有限公司 驱动缸、车辆转向系统和车辆

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GB1106154A (en) 1965-03-16 1968-03-13 Int Basic Economy Corp Speed control mechanism
DE1576113A1 (de) 1965-04-02 1969-06-19 Internat Basic Economy Corp Einrichtung zur Steuerung der Geschwindigkeit eines kraftschluessig angetriebenen Teiles
DE2854188A1 (de) * 1978-12-15 1980-06-26 Ernst Conrad Hydraulische verstellvorrichtung, insbesondere an der dreipunktaufhaengevorrichtung von schleppern
DE3446974A1 (de) * 1983-12-21 1985-07-11 Nippon Joucomatic Co., Ltd., Tokio/Tokyo Pneumatic-zylinderbaugruppe mit einem verriegelungsmechanismus
DE3631844A1 (de) 1985-09-28 1987-04-02 Volkswagen Ag Pneumatischer antrieb, insbesondere fuer eine schweisselektrode
DE3708989A1 (de) * 1987-03-19 1988-10-06 Festo Kg Steuervorrichtung fuer einen doppeltwirkenden zylinder

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FR1402010A (fr) * 1964-04-22 1965-06-11 Realisations De Materiels D Es Dispositif de serrage à commande par fluide sous pression
GB1106154A (en) 1965-03-16 1968-03-13 Int Basic Economy Corp Speed control mechanism
DE1576113A1 (de) 1965-04-02 1969-06-19 Internat Basic Economy Corp Einrichtung zur Steuerung der Geschwindigkeit eines kraftschluessig angetriebenen Teiles
DE2854188A1 (de) * 1978-12-15 1980-06-26 Ernst Conrad Hydraulische verstellvorrichtung, insbesondere an der dreipunktaufhaengevorrichtung von schleppern
DE3446974A1 (de) * 1983-12-21 1985-07-11 Nippon Joucomatic Co., Ltd., Tokio/Tokyo Pneumatic-zylinderbaugruppe mit einem verriegelungsmechanismus
DE3631844A1 (de) 1985-09-28 1987-04-02 Volkswagen Ag Pneumatischer antrieb, insbesondere fuer eine schweisselektrode
DE3708989A1 (de) * 1987-03-19 1988-10-06 Festo Kg Steuervorrichtung fuer einen doppeltwirkenden zylinder

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Title
See also references of EP2577070A1

Also Published As

Publication number Publication date
EP2577070A1 (fr) 2013-04-10
DE102010022747A1 (de) 2011-12-08
CN102933858A (zh) 2013-02-13
US20130061746A1 (en) 2013-03-14
BR112012028036A2 (pt) 2018-05-22
US9388831B2 (en) 2016-07-12

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